[2020 Improved Ultrasound Technology] This ultrasound protection device continuously transmits variable ultrasound frequencies from 24 to 150 kHz. Insects and rodents cannot adapt to this. This effectively repels mice, mosquitoes, spiders, insects, ants, flies, cockroaches, fleas and other from your home [150 Square Meters Large Range] The ultrasonic control can cover an area of up to 150 square meters (1600 square feet). In 2-4 weeks you will see an obvious effect. Perfect for indoor areas such as home, warehouse, office, theater, restaurant, supermarket, hotel etc. [Environmentally Friendly and Harmless] The ultrasound only affects and rodents, is 100% safe for the human body or pets. Our mouse made of ABS material, brings no radiation, no chemicals and no noise, is energy-saving and environmentally friendly [With Display Easier to Use] Plug and play, easy to use. Simply plug the control device into any socket (at least 20-50 cm above the floor) and lightly press the switch, the device works in seconds. Additionally equipped with a special LCD touchscreen display, you can adjust the frequency strength with your fingers and see the mode status at any time Power: 5 W ~ 8 W Ultrasound frequency: 24 kHz-150 kHz Coverage: less than or equal to 150 Plug Type:UK plug,it applies to Malaysia, the United Kingdom and so on. Colour: Black Material: ABS Size: 112 x 60 x 30mm Package Contents: 1 x Ultrasonic Repeller Warm Hints The device should be 20-50 cm from the floor and installed vertically for the best effect. Do not cover the device with objects in order not to impair the effect. Do not clean the control with water. Use a dry cloth. The effect can only be visible after 2 or 4 weeks. It is normal, if the andmouse activity increase in the earlier days after use, because the nuisance of ultrasound will drive them out of their previous places. Please don't worry and be patient. The most effective effect occurs in about 2-4 weeks. Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.